US Bridges

KY-578 over Little Raccoon Creek

FairPosted for load

Laurel County, Kentucky · .10 MI East of JCT Ky 30 · Structure no. 063B00068N

Built
1966
59 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
570
2023 count
Owner
State
State Highway Agency

About this bridge

KY-578 over Little Raccoon Creek is a prestressed concrete box beam or girders - multiple carrying KY-578 over Little Raccoon Creek in Laurel County, Kentucky. It was built in 1966, so it is 59 years old, older than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 570 vehicles a day, projected to reach 570 by 2043. The structure is 28 ft (8.6 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesKY-578
CrossesLittle Raccoon Creek
Location.10 MI East of JCT Ky 30
RouteState Highway 578
CountyLaurel County
StateKentucky
Coordinates37.24139, -84.03
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating41.3 US tons
Inventory rating24.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length28 ft (8.6 m)
Longest span28 ft (8.6 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic570 (2023)
Projected traffic570 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-578 over Little Raccoon Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is KY-578 over Little Raccoon Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does KY-578 over Little Raccoon Creek carry?

About 570 vehicles per day (2023 count).

How long is KY-578 over Little Raccoon Creek?

The structure is 28 ft (8.6 m) long with a longest span of 28 ft (8.6 m) and a deck 25 ft wide.

Who owns KY-578 over Little Raccoon Creek?

It is owned by the State Highway Agency.